<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
  <wicket:head>
    <script languange="javascript">
      alert('wicket head works in extended panel !');
    </script>
  </wicket:head>
</head>
<body>
  <wicket:extend>
    extend panel body<br>
  </wicket:extend>
</body>
</html>
